//////////////////////////////////////////////////////////////////////////
//
// This file is a part of XORT project.
//
// PROJECT:         Xort compiler execution subsystem
// FILE:            Register.cpp - Registers for x64 bit architecture
// AUTHOR:          Vladimir Gumenuk
// DATE:            20-Oct-2014
// MODIFICATIONS:
//
//
//     Copyright(c) 2014, Vladimir Gumenuk
//     All rights reserved.
//
//     Redistribution and use in source and binary forms, with or without modification, 
//     are permitted provided that the following conditions are met :
//
//     1. Redistributions of source code must retain the above copyright notice, 
//        this list of conditions and the following disclaimer.
//     2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
//        the following disclaimer in the documentation and / or other materials provided with the distribution.
//     3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse 
//        or promote products derived from this software without specific prior written permission.
//
//     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
//     ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 
//     OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 
//     THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
//     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
//     OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
//     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 
//     OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
//     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//////////////////////////////////////////////////////////////////////////

#include "xort.h"
#include "xgendefs.h"
#include "Registers.h"

XRegsisters::XRegsisters()
{

}

XRegsisters::~XRegsisters()
{

}

void XRegsisters::clearAll()
{
    for( int i = 0; i < NUM_REGS; i++ )
    {
        m_Registers[i].Clear();
    }
}

void XRegsisters::setRegValue( Register64 rg, byte bType )
{
    m_Registers[rg].bType = bType;
}

byte XRegsisters::getRegValue( Register64 rg )
{
    return m_Registers[ rg ].bType;
}

Register64 XRegsisters::findFreeReg()
{
    for( int i = 0; i < NUM_REGS; i++ )
    {
        if( m_Registers[i].bType == t_v )
            return (Register64)i;
    }
    return NUM_REGS;
}
